CVE-2018-20349
MEDIUMigraph < 0.7.1 - Denial of Service via NULL Pointer Dereference in igraph_i_strdiff
Title source: llmDescription
The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.
References (4)
Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/igraph/igraph/issues/1141
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
Scores
CVSS v3
6.5
EPSS
0.0160
EPSS Percentile
72.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
igraph/igraph
< 0.7.1
Published
Dec 22, 2018
Tracked Since
Feb 18, 2026